Hawkman Reading Order
There is more than one DC Comics superhero named Hawkman. Created by writer Gardner Fox–who was apparently inspired by the sight of a bird while trying to come up with new superheroes–and Dennis Neville in Flash Comics #1 (January 1940) during the Golden Age of comic books, the first of the several incarnations of Hawkman was Carter Hall, a reincarnation of the ancient Egyptian prince Khufu.
Hall had discovered the “ninth metal” (aka “Nth metal”) that allow him to fly by negating the effects of gravity. He put on a costume and started to fight crime. He soon became a founding member of the Justice Society of America–and even became the chairman of the team. Also at that time, he started romancing Shiera Saunders, the reincarnated bride of Khufu, who became known as Hawkgirl.
Like most of the superheroes of the Golden Age, Hawkman disappeared for a while during the 1950s and was reinvented for the Silver Age under the guidance of famed DC editor Julius Schwartz. Revived in The Brave and the Bold # 34 (Feb–Mar 1961), his powers were quite similar but Hawkman was this time a police officer from the planet Thanagar–not a human anymore! Named Katar Hol he came to Earth with his wife Shayera in search of a criminal and stayed–the couple adopted secret identities, becoming Carter and Shiera Hall who worked at a museum in Midway City.
This time again, he joined the main DC Team, the Justice League of America, and met the original Hawkman during crossovers with the JSA from Earth-Two.
Like the rest of the DC Universe, the 1985 Crisis on Infinite Earths changed a lot for Hawkman and Hawkwoman. Everything became quite confusing until the 1989 Hawkworld series rebooted the Hawkman story. This time, Katar Hol and his partner Shayera were sent to Earth after rebelling against the Thanagarian government whose policy was predatory against other worlds.
Their arrival on Earth forced a retcon of the Golden Age Hawkman and Hawkgirl, as they were still alive and well. It was then revealed that the Nth metal was in reality from Thanagar. Also, we learned that it was really Fel Andar, a Thanagarian agent, who was the 1980s Hawkman who previously joined the JLA in order to spy on the heroes. All these corrections didn’t simplify the Hawk mythology as new events added complications to the point that DC decided to put the Hawks aside for a while.
It was in the 1990s, in the JSA series, that the continuity was revised. We then learned that Carter Hall and Shiera who got their powers from Thanagarian Nth metal had been reincarnated multiple times since ancient Egypt. Katar Hol come to Earth during the 1990s and Fel Andar returned to Thanagar. The reincarnation angle was used to launch a new Hawkman series in 2002.
All of this is the simple version, things were even more complicated in the books…